28454440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{673}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 73762560

約数和(自身を除く): 45308120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 673, 755, 1057, 1208, 1346, 1510, 2114, 2692, 3020, 3365, 4228, 4711, 5285, 5384, 6040, 6730, 8456, 9422, 10570, 13460, 18844, 21140, 23555, 26920, 37688, 42280, 47110, 94220, 101623, 188440, 203246, 406492, 508115, 711361, 812984, 1016230, 1422722, 2032460, 2845444, 3556805, 4064920, 5690888, 7113610, 14227220, 28454440]

約数ペア:

[(1, 28454440), (2, 14227220), (4, 7113610), (5, 5690888), (7, 4064920), (8, 3556805), (10, 2845444), (14, 2032460), (20, 1422722), (28, 1016230), (35, 812984), (40, 711361), (56, 508115), (70, 406492), (140, 203246), (151, 188440), (280, 101623), (302, 94220), (604, 47110), (673, 42280), (755, 37688), (1057, 26920), (1208, 23555), (1346, 21140), (1510, 18844), (2114, 13460), (2692, 10570), (3020, 9422), (3365, 8456), (4228, 6730), (4711, 6040), (5285, 5384)]